Compilare: user.cpp: In function ‘int lee(int, int, int)’: user.cpp:44:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] C[c[u].f][c[u].s]=1,u--; ^ user.cpp:44:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] C[c[u].f][c[u].s]=1,u--; ^ user.cpp:45:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int umple(int, int, int)’: user.cpp:58:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int bordare()’: user.cpp:62:20: warning: overflow in implicit constant conversion [-Woverflow] v[i][0].cul=1000000,v[i][0].ok=1000000,v[i][m+1].cul=1000000,v[i][m+1].ok=1000000; ^ user.cpp:62:61: warning: overflow in implicit constant conversion [-Woverflow] v[i][0].cul=1000000,v[i][0].ok=1000000,v[i][m+1].cul=1000000,v[i][m+1].ok=1000000; ^ user.cpp:64:20: warning: overflow in implicit constant conversion [-Woverflow] v[0][j].cul=1000000,v[n+1][j].cul=1000000,v[0][j].ok=1000000,v[n+1][j].ok=1000000; ^ user.cpp:64:42: warning: overflow in implicit constant conversion [-Woverflow] v[0][j].cul=1000000,v[n+1][j].cul=1000000,v[0][j].ok=1000000,v[n+1][j].ok=1000000; ^ user.cpp:65:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^